| article html file updated | 7 February 2020 06:16 CET | Update | https://www.mdpi.com/1660-4601/13/4/355 |
| article html file updated | 5 May 2019 20:41 CEST | Update | - |
| article html file updated | 27 March 2019 00:07 CET | Update | - |
| article html file updated | 27 April 2016 09:59 CEST | Original file | - |
| article xml uploaded. | 23 March 2016 09:28 CET | Original file | https://www.mdpi.com/1660-4601/13/4/355/xml |
| article pdf uploaded. | 23 March 2016 09:28 CET | Version of Record | https://www.mdpi.com/1660-4601/13/4/355/pdf |
